| Strain | Pseudomonas fluorescens A506 |
| GI | 387893009 |
| Locus Tag | PflA506_1801 |
| Description | heme ABC transporter ATP-binding protein CcmA |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386021262 |
| Locus Tag | PSTAA_2665 |
| Description | cytochrome c biogenesis protein CcmA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647065 |
| Locus Tag | HCH_04369 |
| Description | cytochrome c biogenesis protein CcmA |